Quality of OCR for Degraded Text Images.
Roger T. HartleyKathleen CrumptonPublished in: ACM DL (1999)
Keyphrases
- text extraction
- image data
- printed documents
- image database
- ocr systems
- image registration
- optical character recognition
- text information
- input image
- image retrieval
- object recognition
- image features
- feature points
- ground truth
- image classification
- gray scale images
- three dimensional
- degraded images
- text recognition
- text lines
- document images
- high quality
- edge detection
- image annotation
- scanned images
- textual information
- web images
- image regions
- preprocessing
- document analysis
- image analysis
- post processing
- recognition errors
- information retrieval
- text regions
- semantic information
- segmentation method
- complex background
- character recognition
- test images
- image matching